/// <summary>
/// Looks up the list of switches for a matching gesture and returns
/// a clone of the matching switch object
/// </summary>
/// <param name="gesture">The gesture string</param>
/// <param name="switches">Collection of switches for the actuator</param>
/// <param name="createSwitchDel">Delegate that creates a clone of the switch</param>
/// <returns></returns>
private static IActuatorSwitch getSwitchForGesture(
String gesture,
IEnumerable <IActuatorSwitch> switches,
CreateSwitchDelegate createSwitchDel)
{
foreach (var switchObj in switches)
{
var imageSwitch = switchObj;
if (String.Compare(imageSwitch.Source, gesture, true) == 0)
{
Log.Debug("Found switch object " + switchObj.Name + " for gesture" + gesture);
return(createSwitchDel(switchObj));
}
}
return(null);
}
/// <summary>
/// Looks up the list of switches for a matching gesture and returns
/// a clone of the matching switch object
/// </summary>
/// <param name="gesture">The gesture string</param>
/// <param name="switches">Collection of switches for the actuator</param>
/// <param name="createSwitchDel">Delegate that creates a clone of the switch</param>
/// <returns></returns>
private static IActuatorSwitch getSwitchForGesture(
String gesture,
IEnumerable<IActuatorSwitch> switches,
CreateSwitchDelegate createSwitchDel)
{
foreach (var switchObj in switches)
{
var imageSwitch = switchObj;
if (String.Compare(imageSwitch.Source, gesture, true) == 0)
{
Log.Debug("Found switch object " + switchObj.Name + " for gesture" + gesture);
return createSwitchDel(switchObj);
}
}
return null;
}
/// <summary>
/// Parses the string sent over the tcp/ip connection and
/// extracts information from it. Then looks up
/// the list of switches, matches the gesture with the
/// switch and creates a clone of the switch object and
/// returns the switch object
/// Format of the packet is:
/// gesture=gesturetype;action=gestureevent;conf=confidence;time=timestamp;actuate=flag;tag=userdata
/// where
/// gesturetype is a string representing the gesture. This is used as
/// the 'source' field in the actuator switch object
/// gestureevent should be a valid value from the SwitchAction enum
/// confidence Integer representing the confidence level, for future use
/// timestamp Timestamp of when the switch event triggered (in ticks)
/// flag true/false. If false, the switch trigger event will be ignored
/// userdata Any user data
/// Eg
/// gesture=G1;action=trigger;conf=75;time=3244394443
/// </summary>
/// <param name="strData">Data</param>
/// <param name="switches">Actuator switch collection</param>
/// <param name="createSwitchDel">A delegate function that creates an actuator switch object</param>
/// <returns>A clone of the matching switch object from the collection</returns>
public static IActuatorSwitch parseAndGetSwitch(
String strData,
ICollection <IActuatorSwitch> switches,
CreateSwitchDelegate createSwitchDel)
{
IActuatorSwitch actuatorSwitch = null;
String gesture = String.Empty;
var switchAction = SwitchAction.Unknown;
String tag = String.Empty;
int confidence = -1;
long time = -1;
bool actuate = true;
var tokens = strData.Split(';');
foreach (var token in tokens)
{
String[] nameValue = token.Split('=');
if (nameValue.Length == 2)
{
switch (nameValue[0])
{
case "gesture": // G1, G2, ...
gesture = nameValue[1];
break;
case "action": // Up, Down, Trigger
switchAction = getSwitchAction(nameValue[1]);
break;
case "time": // in Ticks
time = parseLong(nameValue[1]);
break;
case "confidence": // integer 0 to 100
confidence = (int)parseLong(nameValue[1]);
break;
case "actuate":
actuate = String.Compare(nameValue[1], "true", true) == 0;
break;
case "tag":
tag = nameValue[1];
break;
}
}
}
if (!String.IsNullOrEmpty(gesture) && switchAction != SwitchAction.Unknown)
{
actuatorSwitch = getSwitchForGesture(gesture, switches, createSwitchDel);
actuatorSwitch.Action = switchAction;
actuatorSwitch.Confidence = confidence;
actuatorSwitch.Timestamp = time;
actuatorSwitch.Actuate = actuate;
actuatorSwitch.Tag = tag;
}
return(actuatorSwitch);
}
/// <summary>
/// Parses the string sent over the tcp/ip connection and
/// extracts information from it. Then looks up
/// the list of switches, matches the gesture with the
/// switch and creates a clone of the switch object and
/// returns the switch object
/// Format of the packet is:
/// gesture=gesturetype;action=gestureevent;conf=confidence;time=timestamp;actuate=flag;tag=userdata
/// where
/// gesturetype is a string representing the gesture. This is used as
/// the 'source' field in the actuator switch object
/// gestureevent should be a valid value from the SwitchAction enum
/// confidence Integer representing the confidence level, for future use
/// timestamp Timestamp of when the switch event triggered (in ticks)
/// flag true/false. If false, the switch trigger event will be ignored
/// userdata Any user data
/// Eg
/// gesture=G1;action=trigger;conf=75;time=3244394443
/// </summary>
/// <param name="strData">Data</param>
/// <param name="switches">Actuator switch collection</param>
/// <param name="createSwitchDel">A delegate function that creates an actuator switch object</param>
/// <returns>A clone of the matching switch object from the collection</returns>
public static IActuatorSwitch parseAndGetSwitch(
String strData,
ICollection<IActuatorSwitch> switches,
CreateSwitchDelegate createSwitchDel)
{
IActuatorSwitch actuatorSwitch = null;
String gesture = String.Empty;
var switchAction = SwitchAction.Unknown;
String tag = String.Empty;
int confidence = -1;
long time = -1;
bool actuate = true;
var tokens = strData.Split(';');
foreach (var token in tokens)
{
String[] nameValue = token.Split('=');
if (nameValue.Length == 2)
{
switch (nameValue[0])
{
case "gesture": // G1, G2, ...
gesture = nameValue[1];
break;
case "action": // Up, Down, Trigger
switchAction = getSwitchAction(nameValue[1]);
break;
case "time": // in Ticks
time = parseLong(nameValue[1]);
break;
case "confidence": // integer 0 to 100
confidence = (int)parseLong(nameValue[1]);
break;
case "actuate":
actuate = String.Compare(nameValue[1], "true", true) == 0;
break;
case "tag":
tag = nameValue[1];
break;
}
}
}
if (!String.IsNullOrEmpty(gesture) && switchAction != SwitchAction.Unknown)
{
actuatorSwitch = getSwitchForGesture(gesture, switches, createSwitchDel);
actuatorSwitch.Action = switchAction;
actuatorSwitch.Confidence = confidence;
actuatorSwitch.Timestamp = time;
actuatorSwitch.Actuate = actuate;
actuatorSwitch.Tag = tag;
}
return actuatorSwitch;
}
